Patent
   D904590
Priority
Jan 29 2020
Filed
Jan 29 2020
Issued
Dec 08 2020
Expiry
Dec 08 2035
Assg.orig
Entity
unknown
0
6
n/a
The ornamental design for a heat exchanger, as shown and described.

FIG. 1 is an isometric view of the heat exchanger of our invention;

FIG. 2 is a front view of the invention;

FIG. 3 is a right side view the invention;

FIG. 4 is a left side view of the invention;

FIG. 5 is a rear view of the invention; and,

FIG. 6 is a top view of the invention.

In the drawings, the broken lines depict environmental subject matter only and form no part of the claimed design.

Daniels, Mark, Battles, Robert J.

Patent Priority Assignee Title
Patent Priority Assignee Title
5881681, Jan 23 1997 Aerco International, Inc. Water heating system
7046922, Mar 15 2005 SKYE INTERNATIONAL, INC Modular tankless water heater
20050161086,
20120279929,
20140209281,
20170172831,
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Executed onAssignorAssigneeConveyanceFrameReelDoc
Jan 29 2020Aerco International, Inc.(assignment on the face of the patent)
Feb 07 2020DANIELS, MARKAERCO INTERNATIONAL, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0518210493 pdf
Feb 07 2020BATTLES, ROBERT J AERCO INTERNATIONAL, INC ASSIGNMENT OF ASSIGNORS INTEREST SEE DOCUMENT FOR DETAILS 0518210493 pdf
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